Automatic blank shaft feeding machine for butt joint of numerical control lathe

Abstract

An automatic blank shaft feeding machine used for being in butt joint with a numerical control lathe comprises a machine frame and a material frame, the material frame is arranged on the machine frame, an inclined material guide plate is arranged on the upper portion of the material frame so that a blank shaft can freely roll down on the material guide plate, and a positioning backup plate is arranged at the discharging end of the material frame and used for abutting against the blank shaft which freely rolls down. The distance adjusting mechanism is used for adjusting the linear distance between the positioning backup plate and the discharging end of the material frame, the rolling wheel frame is arranged on the machine frame, the rolling wheels are arranged along the long edge of the rolling wheel frame, V-shaped faces used for supporting blank shafts are formed on the rolling wheels, and the feeding assembly is arranged on the machine frame. The feeding assembly enables the lowermost blank shaft to cross the positioning backup plate to reach the idler wheels through actions so as to achieve feeding, the driving motor is arranged on the rack, and the output end of the driving motor is in transmission connection with the idler wheels so as to achieve conveying of the blank shafts on the idler wheels. According to the scheme, the automatic blank shaft feeding machine replaces manual feeding, and the automation degree is high.

Description

Technical Field

[0001] The utility model relates to an automatic blank shaft loading machine for docking a numerical control lathe. Background Art

[0002] In the field of fan technology, a blank shaft needs to be turned at both ends to obtain a fan shaft. Before turning, the blank shaft needs to be placed at a specific position where a manipulator can grab it, and then the manipulator grabs and feeds the blank shaft for automatic turning by a numerical control lathe.

[0003] Currently, the placement of the blank shaft is generally completed manually by an operator. Due to the lack of a special automatic blank shaft loading machine in the production workshop, the input of labor cost is relatively large, and the manual labor intensity is relatively high. Summary of the Invention

[0004] In view of the deficiencies in the above problems, the utility model provides an automatic blank shaft loading machine for docking a numerical control lathe.

[0005] To achieve the above object, the utility model provides an automatic blank shaft loading machine for docking a numerical control lathe, including:

[0006] A frame and a material rack, the material rack is arranged on the frame, and the upper part of the material rack is an inclined guide plate to facilitate the free rolling of the blank shaft on the guide plate;

[0007] A positioning back plate, the positioning back plate is arranged at the blanking end of the material rack and is used to form an abutment against the freely rolling blank shaft;

[0008] A spacing adjusting mechanism, the spacing adjusting mechanism is used to adjust the linear distance of the positioning back plate relative to the blanking end of the material rack;

[0009] A roller rack and rollers, the roller rack is arranged on the frame, there are a plurality of rollers arranged along the long side of the roller rack, and a V-shaped surface for supporting the blank shaft is formed on the rollers;

[0010] A loading component, the loading component is arranged on the frame, and the loading component enables the lowermost blank shaft to cross the positioning back plate and reach the rollers through actions to realize loading;

[0011] A driving motor, the driving motor is arranged on the frame, and the output end of the driving motor is in transmission connection with the rollers to realize the conveying of the blank shaft on the rollers;

[0012] A first monitoring switch and a second monitoring switch, the first monitoring switch is used to monitor whether there is a blank shaft on the rollers, and the second monitoring switch is used to monitor whether the blank shaft on the rollers is conveyed in place.

[0013] Further, the inclination angle of the material guiding plate is six degrees.

[0014] Further, the spacing adjusting mechanism includes a detent pin, a fork, and a linkage shaft. The linkage shaft is rotatably arranged on the frame through a bearing. One end of the fork is fixedly connected to the linkage shaft, and the other end of the fork is processed with a long slot for the detent pin to move. The detent pin passes through the long slot and is fixedly connected to one side of the positioning back plate.

[0015] Further, the spacing adjusting mechanism further includes a bearing seat fixed on the roller frame, an adjusting screw rod rotatably arranged on the bearing seat, and an adjusting hand wheel arranged at the outer end of the adjusting screw rod. An adjusting nut is screwed on the adjusting screw rod, and the adjusting nut is fixedly connected to the fork.

[0016] Further, the loading component includes a hinge support, a loading swing arm, a driving cylinder, a first transmission rod, a second transmission rod, a transmission shaft, a sector gear, and a rack. The transmission shaft is rotatably arranged on the frame through a bearing. The driving cylinder is arranged on the frame to drive the rack to move linearly. The sector gear is fixed on the transmission shaft and forms a meshing structure with the rack. The second transmission rod is fixed on the transmission shaft.

[0017] Further, the hinge support is fixed on the frame. One end of the loading swing arm is hinged to the hinge support to form a swingable structure. Both ends of the first transmission rod are respectively hinged to the loading swing arm and the second transmission rod.

[0018] Further, both the first monitoring switch and the second monitoring switch are photoelectric switches. The driving motor is a right-angle speed-regulating motor. The first monitoring switch is arranged in the middle of the roller frame, and the second monitoring switch is arranged at the side of the roller frame. Both the first monitoring switch and the second monitoring switch are electrically connected to the driving motor.

[0019] The beneficial effects of the present utility model compared with the prior art are as follows:

[0020] 1. It provides an automatic blank shaft loading machine, replacing manual loading, with high automation degree;

[0021] 2. The spacing adjusting mechanism is used to adjust the linear distance of the positioning back plate relative to the blanking end of the material rack, making the loading machine applicable to the loading of blank shafts of different sizes, with good versatility;

[0022] 3. The structure design of the loading component is compact and reasonable, and the swing of the loading swing arm can stably realize the transfer of the position of the blank shaft. Description of the Drawings

[0023] Figure 1A three-dimensional view of an automatic blank shaft loading machine for docking a CNC lathe Figure 1 ;

[0024] Figure 2 A three-dimensional view of an automatic blank shaft loading machine for docking a CNC lathe Figure 2 ;

[0025] Figure 3 A schematic installation view of the spacing adjustment mechanism, loading component, roller rack and rollers on the frame

[0026] Figure 4 A schematic view of the roller rack and rollers involved

[0027] Figure 5 A schematic view of the spacing adjustment mechanism involved

[0028] Figure 6 A schematic view of the loading component involved

[0029] In the figure: 1. Frame; 2. Material rack; 21. Guide plate; 3. Blank shaft; 4. Positioning back plate; 5. Spacing adjustment mechanism; 51. Pivot pin; 52. Fork; 521. Long slot; 53. Linkage shaft; 54. Bearing seat; 55. Adjusting screw; 56. Adjusting handwheel; 57. Movable nut; 6. Roller rack; 7. Rollers; 8. Loading component; 81. Hinge support; 82. Loading swing arm; 83. Transmission shaft; 84. First transmission rod; 85. Second transmission rod; 86. Sector gear; 87. Rack; 88. Driving cylinder; 9. Driving motor; 10. First monitoring switch; 11. Second monitoring switch. Detailed implementation method

[0030] As Figures 1 to 4As shown in the figure, an automatic blank shaft loading machine for docking a numerically controlled lathe according to an embodiment of the present utility model includes a frame 1 and a material rack 2. The material rack 2 is arranged on the frame 1. The upper part of the material rack 2 is an inclined material guiding plate 21 with an inclination angle of six degrees to facilitate the free rolling of the blank shaft 3 on the material guiding plate 21. A positioning backing plate 4 is arranged at the discharging end of the material rack 2 to form an abutment against the freely rolling blank shaft 3. A spacing adjusting mechanism 5 is used to adjust the linear distance of the positioning backing plate 4 relative to the discharging end of the material rack 2. A roller rack 6 is arranged on the frame 1. There are multiple rollers 7 arranged along the long side of the roller rack 6. A V-shaped surface for supporting the blank shaft 3 is formed on the roller 7. A loading assembly 8 is arranged on the frame 1. The loading assembly 8 moves to enable the lowermost blank shaft 3 to cross the positioning backing plate 4 and reach the roller 7 to achieve loading. A driving motor 9 is arranged on the frame 1. The output end of the driving motor 9 is in transmission connection with the roller 7 to realize the conveyance of the blank shaft 3 on the roller 7. A first monitoring switch 10 is used to monitor whether there is a blank shaft 3 on the roller 7, and a second monitoring switch 11 is used to monitor whether the blank shaft 3 on the roller 7 is conveyed in place.

[0031] As Figure 5 shown, the spacing adjusting mechanism 5 includes a dial pin 51, a fork 52, and a linkage shaft 53. The linkage shaft 53 is rotatably arranged on the frame 1 through a bearing. One end of the fork 52 is fixedly connected to the linkage shaft 53. The other end of the fork 52 is processed with a long slot 521 for the movement of the dial pin 51. The dial pin 51 passes through the long slot 521 and is fixedly connected to one side of the positioning backing plate 4. The spacing adjusting mechanism 5 further includes a bearing seat 54 fixed on the roller rack 6, an adjusting screw rod 55 rotatably arranged on the bearing seat 54, and an adjusting handwheel 56 arranged at the outer end of the adjusting screw rod 55. An adjusting nut 57 is screwed on the adjusting screw rod 55, and the adjusting nut 57 is fixedly connected to the fork 52.

[0032] As Figure 6 shown, the loading assembly 8 includes a hinge support 81, a loading swing arm 82, a driving cylinder 88, a first transmission rod 84, a second transmission rod 85, a transmission shaft 83, a sector gear 86, and a rack 87. The transmission shaft 83 is rotatably arranged on the frame 1 through a bearing. The driving cylinder 88 is arranged on the frame 1 to drive the linear movement of the rack 87. The sector gear 86 is fixed on the transmission shaft 83 and forms a meshing structure with the rack 87. The second transmission rod 85 is fixed on the transmission shaft 83. The hinge support 81 is fixed on the frame 1. One end of the loading swing arm 82 is hinged to the hinge support 81 to form a swingable structure. The two ends of the first transmission rod 84 are respectively hinged to the loading swing arm 82 and the second transmission rod 85.

[0033] As Figure 4As shown in the figure, the first monitoring switch 10 and the second monitoring switch 11 are both photoelectric switches, the driving motor 9 is a right-angle speed-regulating motor, the first monitoring switch 10 is arranged in the middle of the roller rack 6, the second monitoring switch 11 is arranged on the side of the roller rack 6, and both the first monitoring switch 10 and the second monitoring switch 11 are electrically connected to the driving motor 9.

[0034] The solution provides a blank shaft automatic loading machine, which replaces manual loading and has a high degree of automation; the spacing adjustment mechanism is used to adjust the linear distance of the positioning back plate relative to the blanking end of the material rack, so that the loading machine is applicable to the loading of blank shafts of different sizes and has good versatility; the structure of the loading assembly is designed compactly and reasonably, and the swing of the loading swing arm can stably realize the transfer of the position of the blank shaft.

[0035] During specific use, for the convenience of understanding the present invention, it is described in conjunction with the accompanying drawings;

[0036] The adjustment process of the spacing adjustment mechanism 5 is as follows: the rotation of the adjustment handwheel 56 causes the adjustment screw rod 55 to rotate, that is, the movable nut 57 moves axially relative to the adjustment screw rod 55, which is manifested as the fork 52 swinging around the linkage shaft 53 as the rotation center axis. The fork 52 drives the positioning back plate 4 to move in and out through the pin 51 at the other end, that is, the distance between the positioning back plate 4 and the material rack 2 is adjusted.

[0037] The loading process is as follows: Multiple blank shafts 3 of a set length slide automatically on the guide plate 21, and the lowermost blank shaft 3 stops at the positioning back plate 4. The loading assembly 8 operates to achieve loading. Specifically, the driving cylinder 88 operates to cause the rack 87 to move linearly, the sector gear 86 meshing with the rack 87 rotates and drives the second transmission rod 85 to rotate synchronously. The second transmission rod 85 causes the loading swing arm 82 to swing through the first transmission rod 84. The shape design of the loading swing arm 82 transfers the lowermost blank shaft 3 above the roller 7; the first monitoring switch 10 detects the blank shaft 3, the driving motor 9 operates to convey the blank shaft 3 to the left. After the conveyance is in place, the second monitoring switch 11 detects the blank shaft 3, and the driving motor 9 automatically stops; the conveyed blank shaft 3 can be conveniently grasped by the manipulator and docked with the numerical control lathe for automatic turning.

[0038] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automatic blank shaft feeding machine for docking a CNC lathe, characterized in that: including a frame (1) and a material rack (2), the material rack (2) is arranged on the frame (1), the upper part of the material rack (2) is an inclined material guiding plate (21) to facilitate the blank shaft (3) to freely roll down on the material guiding plate (21); a positioning backing plate (4), the positioning backing plate (4) is arranged at the discharging end of the material rack (2) to form a butt against the freely rolling blank shaft (3); a spacing adjusting mechanism (5), the spacing adjusting mechanism (5) is used to adjust the linear distance between the positioning backing plate (4) and the discharging end of the material rack (2); a roller rack (6) and rollers (7), the roller rack (6) is arranged on the frame (1), there are multiple rollers (7) arranged along the long side of the roller rack (6), and a V-shaped surface for supporting the blank shaft (3) is formed on the rollers (7); a feeding component (8), the feeding component (8) is arranged on the frame (1), and the feeding component (8) acts to enable the lowermost blank shaft (3) to cross the positioning backing plate (4) and reach the rollers (7) to realize feeding; a driving motor (9), the driving motor (9) is arranged on the frame (1), and the output end of the driving motor (9) is in transmission connection with the rollers (7) to realize the conveying of the blank shaft (3) on the rollers (7); a first monitoring switch (10) and a second monitoring switch (11), the first monitoring switch (10) is used to monitor whether there is a blank shaft (3) on the rollers (7), and the second monitoring switch (11) is used to monitor whether the blank shaft (3) on the rollers (7) is conveyed in place.

2. The automatic blank shaft loading machine for docking a CNC lathe according to claim 1, characterized in that: The inclination angle of the material guiding plate (21) is six degrees.

3. The automatic blank shaft feeding machine for docking a CNC lathe according to claim 1, characterized in that: The spacing adjusting mechanism (5) includes a detent pin (51), a fork (52), and a linkage shaft (53). The linkage shaft (53) is rotatably arranged on the frame (1) through a bearing. One end of the fork (52) is fixedly connected to the linkage shaft (53), and the other end of the fork (52) is processed with a long slot (521) for the detent pin (51) to move. The detent pin (51) passes through the long slot (521) and is fixedly connected to one side of the positioning backing plate (4).

4. An automatic blank shaft loading machine for docking a CNC lathe according to claim 3, characterized in that: The spacing adjusting mechanism (5) further includes a bearing seat (54) fixed on the roller rack (6), an adjusting screw rod (55) rotatably arranged on the bearing seat (54), an adjusting handwheel (56) arranged at the outer end of the adjusting screw rod (55), a movable nut (57) screwed on the adjusting screw rod (55), and the movable nut (57) is fixedly connected to the fork (52).

5. The automatic blank shaft loading machine for docking a CNC lathe according to claim 1, characterized in that: The feeding component (8) includes a hinge support (81), a feeding swing arm (82), a driving cylinder (88), a first transmission rod (84), a second transmission rod (85), a transmission shaft (83), a sector gear (86), and a rack (87). The transmission shaft (83) is rotatably arranged on the frame (1) through bearings. The driving cylinder (88) is arranged on the frame (1) and is used to drive the rack (87) to move linearly. The sector gear (86) is fixed on the transmission shaft (83) and forms a meshing structure with the rack (87). The second transmission rod (85) is fixed on the transmission shaft (83).

6. The automatic blank shaft loading machine for docking a numerically controlled lathe according to claim 5, characterized in that: The hinge support (81) is fixed on the frame (1). One end of the feeding swing arm (82) is hinged to the hinge support (81) to form a swingable structure. Both ends of the first transmission rod (84) are respectively hinged to the feeding swing arm (82) and the second transmission rod (85).

7. The automatic blank shaft loading machine for docking a CNC lathe according to claim 1, wherein: The first monitoring switch (10) and the second monitoring switch (11) are both photoelectric switches. The driving motor (9) is a right-angle speed-regulating motor. The first monitoring switch (10) is arranged in the middle of the roller rack (6). The second monitoring switch (11) is arranged on the side of the roller rack (6). Both the first monitoring switch (10) and the second monitoring switch (11) are electrically connected to the driving motor (9).

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